{"id":"CVE-2011-4006","aliases":["EUVD-2011-3959","GHSA-7fpv-cq23-29qf"],"status":"published","title":"The ESMTP inspection feature on Cisco Adaptive Security Appliances (ASA) 5500 series devices with...","description":"The ESMTP inspection feature on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 8.2 through 8.5 allows remote attackers to cause a denial of service (CPU consumption) via an unspecified closing sequence, aka Bug ID CSCtt32565.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01318,"percentile":0.71015,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2012-05-02T10:00:00Z","modified":"2026-06-16T23:34:17Z","products":[{"vendor":"cisco","product":"5500_series_adaptive_security_appliance"},{"vendor":"cisco","product":"adaptive_security_appliance_software"}],"references":[{"url":"http://www.securitytracker.com/id?1027008","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.cisco.com/web/software/283878312/88166/ASA-851-Interim-Release-Notes.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4006"},{"url":"https://github.com/advisories/GHSA-7fpv-cq23-29qf"}],"sources":{"cve":[{"id":"CVE-2011-4006","description":"The ESMTP inspection feature on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 8.2 through 8.5 allows remote attackers to cause a denial of service (CPU consumption) via an unspecified closing sequence, aka Bug ID CSCtt32565.","status":"published","published":"2012-05-02T10:00:00Z","modified":"2024-08-06T23:53:32.625Z","updated_at":"2026-11-02T14:35:37.989579Z"}],"euvd":[{"id":"EUVD-2011-3959","description":"The ESMTP inspection feature on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 8.2 through 8.5 allows remote attackers to cause a denial of service (CPU consumption) via an unspecified closing sequence, aka Bug ID CSCtt32565.","status":"published","published":"2012-05-02T10:00:00Z","modified":"2024-08-06T23:53:32Z","updated_at":"2026-11-03T01:39:49.868954Z"}],"ghsa":[{"id":"GHSA-7fpv-cq23-29qf","title":"The ESMTP inspection feature on Cisco Adaptive Security Appliances (ASA) 5500 series devices with...","description":"The ESMTP inspection feature on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 8.2 through 8.5 allows remote attackers to cause a denial of service (CPU consumption) via an unspecified closing sequence, aka Bug ID CSCtt32565.","status":"published","published":"2022-05-17T05:19:47Z","modified":"2023-01-28T05:03:41Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:44:01.600354Z"}],"nvd":[{"id":"CVE-2011-4006","description":"The ESMTP inspection feature on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 8.2 through 8.5 allows remote attackers to cause a denial of service (CPU consumption) via an unspecified closing sequence, aka Bug ID CSCtt32565.","status":"published","published":"2012-05-02T10:09:21.597Z","modified":"2026-06-16T23:34:17.6Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:12.272092Z"}]}}